PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34593769-3 2021 Tetraketide alpha-pyrone reductase 1 (TKPR1) and TKPR2 are two reductases catalyzing the final reduction of the carbonyl group of the polyketide synthase-synthesized tetraketide intermediates to hydroxylated alpha-pyrone compounds, important precursors of sporopollenin. sporopollenin 256-269 NAD(P)-binding Rossmann-fold superfamily protein Arabidopsis thaliana 49-54 30018171-8 2018 The expression of some sporopollenin synthesis genes (PKSA, PKSB, TKPR2, CYP704B1, and ACOS5) was rescued when MS188 was expressed in ams Therefore, MS188 is a key regulator for activation of sporopollenin synthesis, and AMS and MS188 may form a feed-forward loop that activates the expression of the sporopollenin biosynthesis pathway for rapid pollen wall formation. sporopollenin 23-36 NAD(P)-binding Rossmann-fold superfamily protein Arabidopsis thaliana 66-71